66169234 has 8 divisors (see below), whose sum is σ = 99329868. Its totient is φ = 33059280.

The previous prime is 66169223. The next prime is 66169237. The reversal of 66169234 is 43296166.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64722025 + 1447209 = 8045^2 + 1203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66169193 and 66169202.

It is not an unprimeable number, because it can be changed into a prime (66169237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9217 + ... + 14740.

Almost surely, 2^66169234 is an apocalyptic number.

66169234 is a deficient number, since it is larger than the sum of its proper divisors (33160634).

66169234 is a wasteful number, since it uses less digits than its factorization.

66169234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25340.

The product of its digits is 46656, while the sum is 37.

The square root of 66169234 is about 8134.4473690596. The cubic root of 66169234 is about 404.4691189768.

The spelling of 66169234 in words is "sixty-six million, one hundred sixty-nine thousand, two hundred thirty-four".